namespace CSharpPro._1030;

public class UserTestSub: UserTest
{
    public override void M1()
    {
        Console.WriteLine("重写M1方法");
    }
    public override void M2()
    {
        Console.WriteLine("重写M2方法");
    }

    public override void M3()
    {
        Console.WriteLine("重写M3方法");
    }
}